From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6677C00140 for ; Fri, 12 Aug 2022 04:33:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229877AbiHLEdH (ORCPT ); Fri, 12 Aug 2022 00:33:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236879AbiHLEdG (ORCPT ); Fri, 12 Aug 2022 00:33:06 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCB929E13D for ; Thu, 11 Aug 2022 21:33:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660278784; x=1691814784; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=DSrE2YOKHIge3c1ksJc4Ydbztcu8ft8C7p4foF8I/JE=; b=Ts8Ngo+dFojnE7RIv+lyTW8KREBbFogtX3VrTed82E+KagKXe9twPjly jXfnZxJjT++HNQmMLm7ENYZnQhHczaI2STTTXRN0sFdmEJH2WWhQPSXL7 2zQAQS8j72ZZA5IPYLmmuNBpU6Sd0EuoD3f7aOjxTBjMx+U1dLOcuxus2 nEhylnkI0Q0SM2Gbr3JbNwFCSkRU+W6oOOiSyJFvRfX//nfUCB1KnGZ0Q P7XaxChZY38LXWX81/0ndLyqOj6V6wTqePYB349nzuSoL466u79GNAuUz ym6kM5xcLve9ev86+RXjZwVpux5CcwJBZ4MaKfNiVZsYs2nNrLmTjiThJ Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10436"; a="317487172" X-IronPort-AV: E=Sophos;i="5.93,231,1654585200"; d="scan'208";a="317487172" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2022 21:33:03 -0700 X-IronPort-AV: E=Sophos;i="5.93,231,1654585200"; d="scan'208";a="556394887" Received: from alison-desk.jf.intel.com (HELO alison-desk) ([10.54.74.41]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2022 21:33:03 -0700 Date: Thu, 11 Aug 2022 21:30:40 -0700 From: Alison Schofield To: "Williams, Dan J" , "Weiny, Ira" , "Verma, Vishal L" , Ben Widawsky , "Jiang, Dave" Cc: "linux-cxl@vger.kernel.org" Subject: Re: [PATCH v2 0/2] CXL XOR Interleave Arithmetic Message-ID: <20220812043040.GA1767528@alison-desk> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On Thu, Aug 11, 2022 at 01:49:10PM -0700, Schofield, Alison wrote: > From: Alison Schofield > > Changes in v2: > - Use ilog2() of the decoded interleave ways to determine number > of xormaps, instead of using encoded ways directly. This fixes > 3, 6, and 12 way interleaves. (Dan) > Dan - Thanks for the message about this breaking 3-6-12. New version in the works. > > Add support for the new 'XOR' Interleave Arithmetic as defined > in the CXL 3.0 Specification [1]. > > A linux-ized ACPI patch is included here for reference. The actual > pull request is pending at https://github.com/acpica/acpica/pull/787 > > [1]: https://www.computeexpresslink.org/download-the-specification > > > Alison Schofield (2): > For ACPICA: Add the CXIMS structure definition to the CEDT table > cxl/acpi: Support CXL XOR Interleave Math (CXIMS) > > include/acpi/actbl1.h | 14 ++++++- > drivers/cxl/cxl.h | 2 + > drivers/cxl/acpi.c | 94 ++++++++++++++++++++++++++++++++++++++++--- > 3 files changed, 104 insertions(+), 6 deletions(-) > > > base-commit: 1cd8a2537eb07751d405ab7e2223f20338a90506 > -- > 2.31.1 >